*** IMPORTANT NOTE ABOUT F-SCALE WINDS: F-scale winds were not meant to be used literally. These precise windspeed
numbers were guesses and have not been verified in science or engineering. Different
wind speeds may cause similar-looking damage from place to place -- even from building to building.
Without a thorough engineering analysis of tornado damage in any event, the actual wind speeds needed to
cause that damage are unknown. The Enhanced F-scale was implemented in February 2007.